Chapter

Blood Evidence
The prosecution presented the state's blood pattern expert Dwayne Deaver to explain the overwhelming amount and positioning of the blood found at the scene where Kathleen was killed to the jury. The blood evidence and staged scene presented, along with the violent confrontation between husband and wife, revealed Michael attacked Kathleen ferociously and led to his eventual conviction.
Clips
During the murder trial of Michael Peterson, the state's blood pattern expert, Dwayne Deaver, testified that evidence suggested Peterson had attacked and killed Kathleen Peterson ferociously, based on the positioning and spray of blood up the staircase walls.
36:05 - 38:33 (02:27)
Summary
During the murder trial of Michael Peterson, the state's blood pattern expert, Dwayne Deaver, testified that evidence suggested Peterson had attacked and killed Kathleen Peterson ferociously, based on the positioning and spray of blood up the staircase walls.
ChapterBlood Evidence
EpisodeDown the Back Staircase
PodcastDateline NBC
A discussion about the evidence and theories surrounding the murder of Kathleen Peterson, with a focus on the droplet pattern on the walls and the presence of dried blood around her body.
38:33 - 41:24 (02:51)
Summary
A discussion about the evidence and theories surrounding the murder of Kathleen Peterson, with a focus on the droplet pattern on the walls and the presence of dried blood around her body.
ChapterBlood Evidence
EpisodeDown the Back Staircase
PodcastDateline NBC
Michael Peterson's trial for the death of his wife, Kathleen Peterson, includes eerily similar details to the death of his friend Elizabeth Ratliff years before.
41:25 - 42:56 (01:31)
Summary
Michael Peterson's trial for the death of his wife, Kathleen Peterson, includes eerily similar details to the death of his friend Elizabeth Ratliff years before. The prosecution presents evidence of blood, a staged scene, and a violent confrontation resulting from Peterson's secret interest in men.
ChapterBlood Evidence
EpisodeDown the Back Staircase
PodcastDateline NBC
Michael Peterson's daughters Margaret and Martha share personal insights about their father’s trial in the murder of his wife Kathleen Peterson in The Staircase documentary.
42:56 - 44:04 (01:07)
Summary
Michael Peterson's daughters Margaret and Martha share personal insights about their father’s trial in the murder of his wife Kathleen Peterson in The Staircase documentary.